影响其背压的主要因素有：大气环境温度、空冷初始温差、凝汽器的端差。
The major factors effecting on the backpressure include atmospheric environment temperature, primary temperature difference of air-cooling, end difference of condensers.
小腿逆行皮神经营养血管皮瓣(腓肠神经伴行血管供血)移转术后，将皮瓣近端携带的腓肠神经与足背皮神经端侧吻合。
When the retrograde flow neurocutaneous island flap was raised, the end to side neurorrhaphy was carried out between the sural nerve carried by the flap and the cutaneous nerve of the foot dorsum.
成熟的石器工艺技术加工出典型的端刮器、琢背刀、石镞与雕刻器等典型的细石器组合。
The mature craftsmanship of stone tools also generates typical microlith assemblage such as scrappers, daggers, stone arrowheads and engraving tools.
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